const menu = {
  _courses: {
    appetizers: [],
    mains: [],
    desserts: []
  },
  get courses() {
    return {
      appetizers: this._courses.appetizers,
      mains: this._courses.mains,
      desserts: this._courses.desserts
    }
  },
  
  get appetizers() {
    
  },
  set appetizers(appetizerIn) {
    
  },
  
  get mains() {
    
  },
  set mains(mainIn) {
    
  },
  
  get desserts() {
    
  },
  set desserts(dessertIn) {
    
  },
  
  addDishToCourse (courseName, dishName, dishPrice) {
    const dish = {
      name: dishName,
      price: dishPrice
    };
    this._courses[courseName].push(dish);
  },
  
  getRandomDishFromCourse (courseName) {
   const dishes = this._courses[courseName];
const randomNum = Math.floor(Math.random() * dishes.length);
    return dishes[randomNum];
  },
  
  generateRandomMeal() {
    const appetizer = this.getRandomDishFromCourse('appetizers');
    const main = this.getRandomDishFromCourse('mains');
    const dessert =
 this.getRandomDishFromCourse('desserts');
    const totalPrice = appetizer.price + main.price + dessert.price;
    
    return `Your appetizer is ${appetizer.name}. Afterwards, we will offer you a ${main.name} for the main and we will conclude with a ${dessert.name} for your dessert. The total price will be $${totalPrice};`
  }
};

menu.addDishToCourse('appetizers', 'hummus & bread', 6);
menu.addDishToCourse('appetizers', 'strawberry salad', 9);
menu.addDishToCourse('appetizers', 'cocktail sausages with homemade curry', 7);
menu.addDishToCourse('appetizers', 'cereal with smetyana', 5);
menu.addDishToCourse('appetizers', 'salmon and cream cheese', 10);
menu.addDishToCourse('appetizers', 'Caesar Salad', 4.25);

menu.addDishToCourse('mains', 'oven-grilled steak', 23);
menu.addDishToCourse('mains', 'chilli con carne with organic pork', 21);
menu.addDishToCourse('mains', 'Chicken Meatballs and Fries', 13);
menu.addDishToCourse('mains', 'Spaghetti with Lobster', 30);
menu.addDishToCourse('mains', 'Veggie Delight', 12);

menu.addDishToCourse('desserts', 'rose-tinted cheesecake', 8);
menu.addDishToCourse('desserts', 'vegan ice-cream with hash', 14);
menu.addDishToCourse('desserts', 'keto-friendly fudge brownie', 7);

let meal = menu.generateRandomMeal();

console.log(meal)